CN101706311B - Magnetic suspension type double-purpose meter for water levels and layered settlement - Google Patents
Magnetic suspension type double-purpose meter for water levels and layered settlement Download PDFInfo
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- CN101706311B CN101706311B CN2009102287715A CN200910228771A CN101706311B CN 101706311 B CN101706311 B CN 101706311B CN 2009102287715 A CN2009102287715 A CN 2009102287715A CN 200910228771 A CN200910228771 A CN 200910228771A CN 101706311 B CN101706311 B CN 101706311B
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Abstract
The invention provides a magnetic suspension type double-purpose meter for water levels and layered settlement. A buzzer of the double-purpose meter is connected with a magnetic switch sensor through two cables, and the lower end of a measure-read steel ruler is fixed in the magnetic switch sensor. A jacket is connected with the lower end of the magnetic switch sensor by a turnbuckle or a buckle, and the jacket is internally provided with a floater capable of moving up and down, wherein a miniature steel magnet is embedded in the upper end part of the floater; the exterior at the upper end of the jacket is provided with a corner; small holes are uniformly distributed on the pipe wall of the jacket, or the inner side of the pipe wall is provided with a sucking groove so as to hold the floater to be centered vertically; and the bottom end part of the jacket is provided with an inner groove or a protecting support for preventing the floater from coming off. The invention has the advantages that only one magnetic switch sensor is used by the double-purpose meter, thereby greatly facilitating field works, solving the problem of incomplete drainage of the sensor during measuring water levels and rewriting the traditional concept that an electrode type water level gauge can normally work only by contacting liquid capable of conducting electricity, such as water. The invention is suitable for the construction monitoring of a soft subgrade treatment method, the layered settlement observation of soil in coastal areas and the monitoring of ground water levels.
Description
Technical field
The ground that the present invention relates to Geotechnical Engineering waterwork field is handled monitoring instrument, particularly a kind of electromagnetic levitation type water level, the dual-purpose view of delaminating deposition.
Background technology
Follow the monitoring method of traditional soft foundation treatment engineering, delaminating deposition observation is main routine observation data with underground water table observation usually, generally adopts delaminating deposition instrument, two instruments of water level gauge.These two kinds of basic general character of instrument all are to adopt to survey to read the method image data of steel ruler scale, but generally use different sensors, and inconvenience very works together.Just solve two instruments and merged into an instrument if two kinds of sensors are integrated, greatly facilitated field process.
The delaminating deposition instrument adopts magnetic switch formula sensor.When the sensor that adopts the open type magnetic switch when being embedded in the magnetic ring of a certain soil layer, magnetic switch is connected, by the circuit in the cable connection steel ruler bobbin that is attached to the steel ruler both sides, make hummer take place to survey when news are rung and read the steel ruler reading, this moment, the steel ruler location of reading should can calculate the residing elevation of magnetic ring at relative certain point height.
The water level gauge superstructure is identical with the delaminating deposition instrument, the conventional electrode sensor that adopts is fairly simple, and shortcoming is subjected to happen occasionally seawater quality and the turbid matter fresh water of false touch sender Chinese percussion instrument phenomenon that influences of sea, fresh water quality factor often to cause that the clean problem of sensor draining often takes place; When water level pipe had inclination slightly, the moist phenomenon of water level pipe tube wall also can make electrode sensor occur misleading in addition; Problems such as electrode conduction have been influenced when sometimes the oily floating thing being arranged on the water surface again.
Summary of the invention
For solving the problem that exists in the above-mentioned technology, the purpose of this invention is to provide a kind of electromagnetic levitation type water level, delaminating deposition double-purpose instrument, be with water level gauge sensor and the shared magnetic switch sensor of delaminating deposition instrument sensor, when being used for delaminating deposition observation, the magnetic switch sensor is near the magnetic ring of relative fixed position, be subjected to its field of magnetic forece to influence magnetic switch and connect news sound circuit, and when being used for water-level observation, the magnetic switch sensor goes near a movable relatively magnetic field, influences the magnetic switch sensor until magnetic field intensity and connects news sound circuit.
For achieving the above object, the technical solution used in the present invention provides a kind of electromagnetic levitation type water level, the delaminating deposition double-purpose instrument, this double-purpose instrument includes self-powered hummer, steel ruler is read in survey, the magnetic switch sensor, miniature magnet steel, cursory, sheath, cable, wherein: described hummer is connected with the magnetic switch sensor by two cables, described survey is read the steel ruler lower end and is fixed in the magnetic switch sensor, magnetic switch sensor lower end is connected with described sheath, it is moving up and down cursory to be provided with in the described sheath, cursory upper end is embedded with miniature magnet steel, sheath upper end external belt is smeared the angle, be laid with aperture on the tube wall of sheath uniformly or be provided with bothrium in the tube wall inboard, keeping cursory vertical center, the bottom of sheath is provided with and prevents the cursory inner groovy of deviating from or protect holder.
Effect of the present invention is the shared magnetic switch sensor of water level gauge and delaminating deposition instrument, two instruments are merged into an electromagnetic levitation type water level, delaminating deposition double-purpose instrument, greatly facilitate field process, this instrument adopts the magnetic levitation mode when measuring water level simultaneously, eliminated the unclean difficult problem of sensor draining, rewrite electrode type fluviograph and had only contact to comprise the liquid that can the conduct electricity ability operate as normal of water, and the traditional idea that just can not carry out operation at other liquid.This double-purpose instrument is applicable to treatment of soft foundation method construction monitoring, the delaminating deposition of the coastland soil body is observed and water table measure.
Description of drawings
Fig. 1 is electromagnetic levitation type water level of the present invention, delaminating deposition double-purpose instrument principle of work synoptic diagram.
Among the figure:
1. steel ruler 2. magnetic switch sensors 3. miniature magnet steel
4. cursory 5. sheaths, 6. cables
Embodiment
Below in conjunction with accompanying drawing electromagnetic levitation type water level of the present invention, delaminating deposition double-purpose instrument structure are further specified.
The design philosophy of electromagnetic levitation type water level of the present invention, delaminating deposition double-purpose instrument is the shared magnetic switch type sensor of electromagnetic levitation type water level, delaminating deposition double-purpose instrument, on conventional delaminating deposition instrument, add a top and be embedded with the cursory of magnet steel, make it can be used as water level gauge and use.
As shown in Figure 1, electromagnetic levitation type water level of the present invention, delaminating deposition double-purpose instrument, this double-purpose instrument includes self-powered hummer, survey and to read steel ruler 1, magnetic switch sensor 2, miniature magnet steel 3, cursory 4, sheath 5, cable 6, described hummer is connected with magnetic switch sensor 2 by two cables 6, described survey is read steel ruler 1 lower end and is fixed in the magnetic switch sensor 2, magnetic switch sensor 2 lower ends are connected with described sheath 5, and described sheath 5 is connected by connecting thread or buckle with magnetic switch sensor 2 lower ends.Be provided with moving up and down cursory 4 in the described sheath 5, cursory 4 upper ends are embedded with miniature magnet steel 3, sheath 5 upper end external belt are smeared the angle, be laid with aperture on the tube wall of sheath 5 uniformly or be provided with bothrium in the tube wall inboard, keeping cursory 4 vertical centers, the bottom of sheath 5 is provided with and prevents the cursory inner groovy of deviating from or protect holder.
Electromagnetic levitation type water level of the present invention, delaminating deposition double-purpose instrument are loaded onto cursory and sheath is exactly a water level gauge, and unloading cursory and sheath is exactly the delaminating deposition instrument.This electromagnetic levitation type water level, delaminating deposition double-purpose instrument when using as water level gauge, the magnetic switch sensor by move up and down cursory on the magnetic field that produces of magnet steel control and be switched on or switched off.When arriving the water surface, cursoryly float, the miniature magnet steel on cursory is subjected to the influence of magnetic field of miniature magnet steel near the magnetic switch sensor, and the switch of magnetic switch sensor is finally connected, and the hummer that links to each other with sensor sends news and rings, and this moment, the steel ruler reading was read in survey.When unloading cursory and sheath, can be used as conventional delaminating deposition instrument and use.
As shown in Figure 1, the survey of this electromagnetic levitation type water level, delaminating deposition double-purpose instrument is read steel ruler 1 lower end and is fixed in the magnetic switch sensor 2, an end that is attached to the cable 6 of top steel ruler 1 both sides connects magnetic switch sensor 2, the other end is connecting hummer, and promptly can use as the delaminating deposition instrument this moment.When using as limnimeter, at first made one cursory 4, stud with the miniature magnet steel 3 that in certain distance, is enough to make the magnetic switch action on cursory 4, with cursory 4 be put into one with sheath 5 that delaminating deposition instrument magnetic switch sensor 2 is connected in, when the magnetic switch sensor sent for 2 times, because cursory 4 have weight to sink down into sheath 5 bottoms, the switch of magnetic switch sensor 2 can not be triggered in the magnetic field of miniature magnet steel 3, magnetic switch sensor 2 and cursory 4 send synchronously at this moment, and hummer is sounding not; When arriving the water surface, cursory 4 float, and are embedded in miniature magnet steel 3 on cursory near magnetic switch sensor 2, be subjected to the influence of magnetic field of miniature magnet steel, the switch of magnetic switch sensor is finally connected, and the hummer that links to each other with sensor sends news and rings, survey this moment and read the steel ruler reading, obtain water level numerical value.
Described hummer is common self-powered hummer.Described survey is read steel ruler 1 both sides with cable.Described magnetic switch sensor 2 is common magnetic switch sensor.Described miniature magnet steel 3 is common miniature magnet steel.Described cursory 4 are any suitable material that can keep afloat, and it selects material according to the character of liquid, can be on any liquid operate as normal.Described sheath 5 can be nylon, copper or other appropriate materials making sheaths.
Electromagnetic levitation type water level of the present invention, the shared magnetic switch sensor of delaminating deposition double-purpose instrument.Cursory on the usual work clothes is exactly water level gauge, and unloading cursory is exactly the delaminating deposition instrument.Should at first determine the distance when magnetic ring triggers the magnetic switch action during this instrumentation.Demarcate respectively then, determine the modified value of delaminating deposition instrument, water level gauge.
Claims (2)
1. electromagnetic levitation type water level, the delaminating deposition double-purpose instrument, this double-purpose instrument includes self-powered hummer, steel ruler (1) is read in survey, magnetic switch sensor (2), miniature magnet steel (3), cursory (4), sheath (5), cable (6), it is characterized in that: described hummer is connected with magnetic switch sensor (2) by two cables (6), described survey is read steel ruler (1) lower end and is fixed in the magnetic switch sensor (2), magnetic switch sensor (2) lower end is connected with described sheath (5), be provided with in the described sheath (5) cursory (4) moving up and down, cursory (4) upper end is embedded with miniature magnet steel (3), sheath (5) upper end external belt is smeared the angle, be laid with aperture on the tube wall of sheath (5) uniformly or be provided with bothrium in the tube wall inboard, keeping cursory (4) vertical center, the bottom of sheath (5) is provided with and prevents the cursory inner groovy of deviating from or protect holder.
2. electromagnetic levitation type water level according to claim 1, delaminating deposition double-purpose instrument is characterized in that: described sheath (5) is connected by connecting thread or buckle with magnetic switch sensor (2) lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102287715A CN101706311B (en) | 2009-11-26 | 2009-11-26 | Magnetic suspension type double-purpose meter for water levels and layered settlement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102287715A CN101706311B (en) | 2009-11-26 | 2009-11-26 | Magnetic suspension type double-purpose meter for water levels and layered settlement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101706311A CN101706311A (en) | 2010-05-12 |
| CN101706311B true CN101706311B (en) | 2011-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009102287715A Active CN101706311B (en) | 2009-11-26 | 2009-11-26 | Magnetic suspension type double-purpose meter for water levels and layered settlement |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102768058B (en) * | 2011-05-06 | 2014-04-09 | 中国科学院地理科学与资源研究所 | Simple electric groundwater stage gauge and measurement method using same |
| CN107621257B (en) * | 2017-11-10 | 2024-05-28 | 长安大学 | Self-testing tower ruler and method for measuring ground subsidence of tunnel side elevation slope |
| CN110174337B (en) * | 2019-05-21 | 2021-09-17 | 河海大学 | Device and method for measuring dynamic soil water-holding curve in laboratory |
| CN115235418A (en) * | 2022-07-22 | 2022-10-25 | 中交第一航务工程勘察设计院有限公司 | Water level layering and settling dual-purpose instrument |
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| CN101706311A (en) | 2010-05-12 |
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